Siliqua - Constantius II CONSTANTIVS NOB CAES, Nicomedia

Constantius II held the title Caesar — not Augustus — when this coin was struck, subordinate to his father Constantine I. The NOB CAES legend places it firmly before Constantine's death in May 337, after which Constantius and his brothers elevated themselves to full Augustus rank and promptly had most of their male relatives massacred to eliminate rival claims. The Nicomedia mint was one of Constantine's preferred eastern facilities, heavily active during the 330s as the imperial center of gravity shifted toward Constantinople.